paraxial

adj.

轴旁的，近轴的；

1. Those rays which are near the axis are sometimes called paraxial rays.
   靠近轴的那些光线有时叫作近轴光线。

From Maxwell to paraxial wave optics
A paraxial schematic eye model for the growing C57BL/6 mouse
Paraxial protocadherin coordinates cell polarity during convergent extension via Rho A and JNK
Xenopus paraxial protocadherin has signaling functions and is involved in tissue separation.
Polarization singularities in paraxial vector fields: Morphology and statistics
Airy-Gauss beams and their transformation by paraxial optical systems.
In Vitro Modeling of Paraxial and Lateral Mesoderm Differentiation Reveals Early Reversibility
Zebrafish paraxial protocadherin is a downstream target of spadetail involved in morphogenesis of gastrula mesoderm
The role of paraxial protocadherin in selective adhesion and cell movements of the mesoderm during Xenopus gastrulation
Analyses of vector Gaussian beam propagation and the validity of paraxial and spherical approximations.